||'''Book'''|| Calculus of One Variable ||
 ||'''Author'''|| Keith E. Hirst ||
 ||'''Edition'''||  ||

/* code_begins */

{{{
y=3*x**2
integrate(2*pi*x**3*(1+y**2)^0.5,x,0,1)
}}}

/* code_ends */

 * '''Solution by''': 
   * Chandrahas,student,iit madras